[PATCH] D149516: [Sema] `setInvalidDecl` for error deduction declaration

[Tom Weaver via Phabricator via cfe-commits]

TWeaver added a comment.

The build bot failures have been going for a while now so I've had to revert this until the author can address them, my apologies.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D149516/new/

https://reviews.llvm.org/D149516